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M-72 over S BR AU SABLE RIVER

Map

Coordinates:
+44.61426, -84.45613
44°36'51" N, 84°27'22" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:M-72 over S BR AU SABLE RIVER
Structure number:000000000002054
Old structure number:20120022000B010 (from 1992 edition)
Location:4.4 MI W OF OSCODA COL
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:81.0 ft. [24.7 m]
Total length:225.1 ft. [68.6 m]
Roadway width between curbs:34.1 ft. [10.4 m]
Deck width edge-to-edge:37.1 ft. [11.3 m]
Skew angle:30°
Owner:State Highway Agency [01]
Year built:1958
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:3
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Epoxy Overlay [5]

Latest Available Inspection: June 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:2,140 [as of 2015]
Truck traffic:10% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Scour condition:Bridge is scour critical; bridge foundations determined to be unstable. [3]
Sufficiency rating:90.6

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
June 2017GoodGoodGoodGood214090.6
September 2015FairFairGoodGood301288.2
September 2013FairFairGoodGood301288.2
June 2011FairFairGoodGood301288.2
June 2009FairFairGoodGood301288.2
June 2007FairFairGoodGood308488.1
June 2005FairFairGoodGood260088.9
June 2003FairFairGoodGood260087.7
August 2001FairFairGoodGood260087.7
August 1999PoorPoorGoodGood260090.8
August 1997FairSatisfactoryGoodGood260088.7
August 1995FairSatisfactoryGoodGood190092.0
June 1993FairSatisfactoryGoodGood190092.0
April 1991GoodGoodGoodGood190092.0